AI Model Evaluator

About Mercor and the AI Model Evaluator Role

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include industry leaders like Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

We are seeking a dedicated AI Model Evaluator to join our team. This role is offered as full-time or part-time contract work, providing competitive compensation at $41/hour. This remote position is open to candidates geographically restricted to Israel and the USA.

Role Responsibilities

• Evaluate LLM-generated responses for effectiveness in answering user queries.
• Conduct thorough fact-checking using trusted public sources and external tools.
• Generate high-quality human evaluation data by annotating response strengths, areas for improvement, and factual inaccuracies.
• Assess reasoning quality, clarity, tone, and completeness of responses.
• Ensure model responses align with expected conversational behavior and system guidelines.
• Apply consistent annotations by following clear taxonomies, benchmarks, and detailed evaluation guidelines.

Qualifications

Must-Have

• Bachelor’s degree
• Native speaker or ILR 5/primary fluency (C2 on the CEFR scale) in Hebrew
• Significant experience using large language models (LLMs)
• Excellent writing skills
• Strong attention to detail
• Adaptable across topics, domains, and customer requirements
• Background in domains requiring structured analytical thinking
• Excellent college-level mathematics skills

Preferred

• Experience with RLHF, model evaluation, or data annotation work
• Experience writing or editing high-quality written content
• Experience comparing multiple outputs and making fine-grained qualitative judgments
• Familiarity with evaluation rubrics, benchmarks, or quality scoring systems

Compensation & Application

This is an hourly contractor position, with payments processed weekly via Stripe Connect.

The application process typically takes 20-30 minutes to complete and involves:

• Uploading your resume
• Completing an AI interview based on your resume
• Submitting a final form

Our team reviews applications daily. Please ensure all steps, including the AI interview, are completed for consideration. For detailed information on the interview process and platform, please refer to: https://talent.docs.mercor.com/welcome/welcome. For any support, reach out to support@mercor.com.

Key skills/competency

• LLM Evaluation
• Fact-Checking
• Data Annotation
• Hebrew Fluency
• Analytical Thinking
• Content Quality Assessment
• Natural Language Processing
• Attention to Detail
• Conversational AI
• Evaluation Rubrics